{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "905593776",
    "entityType": "User",
    "nonce": "0xcab82c83760ab70e70dd601a06b6840cb5b852aff2f1837f46c832ccaade0f3d",
    "signature": "0x829cc1ac9a4864471908a6e2bcf6ca0b5637ac7c9be075495277ea90e27119ad3f0c711b171473471c7d200476490e395cf0e3ba4e6b1b98e9c6c4da207d0f171b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}